HD404639R Datasheet, PDF (81/135 Pages) Renesas Technology Corp – 4-Bit Single-Chip Microcomputer

HD404639R Series
Table 25 PWM Output Following Update of Timer Write Register
Mode
Free running
PWM Output
Timer Write Register is Updated during
High PWM Output
Timer write
register
updated to
value N
Interrupt
request
Timer Write Register is Updated during
Low PWM Output
Timer write
register
updated to
value N
Interrupt
request
Reload
T × (255 – N) T × (N + 1)
Timer write
register
updated to
value N
Interrupt
request
T × (N' + 1)
T × (255 – N) T × (N + 1)
Timer write
register
updated to
value N
Interrupt
request
T
T × (255 – N)
T
T
T × (255 – N)
T
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